00538nam a2200181 a 450000500170000002000150001708200230003210000200005524500530007526000280012830000230015669000350017969000220021496400250023699700120026199900150027395200680028820251203090451.0  a0030604192  a333.91160973,bBLA  aBlack, Peter, E  aConservation of water and related land resources  aNew York: Praegerc1982  axxii, 209p.c22cm.  aWater management-United States  aNatural resources  bEngc100de010fg_  a15852 C  c8600d8600  00104070aPUbPUd1998-04-08l0o333.91160973, BLAp15852yBK